Shigeo Ogawa engines.

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Shigeo Ogawa
O.S. Engines

"In 1936, Shigeo Ogawa set up his original machine-shop, making model steam engines.
In the same year, at the suggestion of an American buyer, Paul Houghton, the 1.6 cc O.S. Type-1 miniature gasoline engine was constructed.
Some 200 production models were subsequently exported under the brand name 'Pixie.....'




https://www.craftsmanshipmuseum.com/Ogawa.htm


https://www.osengines.com/history.html